text.skipToContent text.skipToNavigation

Master Alloy: H-139

Internal Heraeus Name: Master Alloy | H-139 | Heraeus Shop

Product Details

  • ID
  • Color
    Greenish Yellow  
  • Karat
  • Application
  • Hardness
    152HV (14K)  
  • Casting Temperature
    950-970 (14K)  


Payment only via credit card

”payment ”payment

Switch to USD

Please use the guest checkout for your order.


Full product price w/o freight costs

Quantity/UoM Base

You have to order a minimum quantity for this product.
Request for Quote

Additional Information

Master Alloys Classification Select

Color Select Yellow Gold
Karat Select 417‰ (10 KT)
Karat Select 585‰ (14 KT)
Request product modification

Benefits and Applications

Master alloy for the production of Yellow 417 – 585 ‰ gold jewellery obtained by investment casting. The alloy is becoming more popular due to its sharp greenish colour for the US market. This product, thanks to its complex composition made of numerous different special elements, ensures an extreme level of deoxidation, an extreme surface quality, an enhanced fluidity, and a long lasting of this features also after many reuses of casting scraps, making it the most advanced solution for castings with and without stones in place.